senator john kerry is playing the role of mitt romney in the debate preps. the president many ka pacampaig night in las vegas. he asked supporters at this virginia high school to keep believing in him. the president does not have any events scheduled for today so he can focus on preparing for wednesday night. mitt romney is hoping the debate gives the presidential nominee a much needed boost. a supporter calls wednesday night the restart of this campaign. romney will hold a rally tonight in denver where the debate will take place. >>> nationals get another shot to clinch a division title today. this time they'll be able to do it in front of the d.c. faithful. the nats couldn't seal the deal against the st. louis cardinals yesterday, losing 10-4. ross dettweiler struggled. so all they need to clinch the division is one win in their final three games against the phillies. they could also clinch that win if atlanta loses one game. the braves play pittsburgh in a three-game series that starts tonight. >>> the orioles have punched their tickets to the playoffs as